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Charge and magnetization inhomogeneities in diluted magnetic semiconductors
dc.contributor.author | Timm, Carsten | |
dc.date.accessioned | 2007-05-15T21:13:30Z | |
dc.date.available | 2007-05-15T21:13:30Z | |
dc.date.issued | 2006-03 | |
dc.identifier.citation | Timm, C. Charge and magnetization inhomogeneities in diluted magnetic semiconductors. PHYSICAL REVIEW LETTERS. March 2006. 96(11) | |
dc.identifier.uri | http://hdl.handle.net/1808/1615 | |
dc.description.abstract | It is predicted that III-V diluted magnetic semiconductors can exhibit stripelike modulations of magnetization and carrier concentration. This inhomogeneity results from the strong dependence of the magnetization on the carrier concentration. Within Landau theory, a characteristic temperature T-* below the Curie temperature is found so that below T-* the equilibrium magnetization shows modulations, which are strongly anharmonic. The wavelength and amplitude of the modulation rise for decreasing temperature, starting from zero at T-*. Above T-*, the equilibrium state is homogeneous, but the coupling between charge and magnetization leads to the appearance of an electrically charged layer in domain walls. | |
dc.language.iso | en_US | |
dc.publisher | AMERICAN PHYSICAL SOC | |
dc.title | Charge and magnetization inhomogeneities in diluted magnetic semiconductors | |
dc.type | Article | |
dc.identifier.doi | 10.1103/PhysRevLett.96.117201 | |
dc.rights.accessrights | openAccess |